Explain two challenges facing the brazilian economy.

Heavily depends on the labour, corruption.

Explanation:

Brazil is free-market economy and is 9th largest in the world and is believed to the fastest-growing major economy on the world and is thus the GDP sector consists of the 67% in the agriculture and that f 27.5% in the industrial sector and the presence of colonies of a large number of the European people and thus experienced a strong economic and demographic growth of the masses.

Iam pretty sure it is c. 2000 bce

Answerhave flowing water either episodically or during only a portion of the year;